-569+(-587) = -1156-255+(-167) = -422-778+(-354) = -1132-7,08+(-4,39) = -11,47-366+(-278) = -644-99,9+(-7,77) = -107,67
-569+(-587) = -1156
-255+(-167) = -422
-778+(-354) = -1132
-7,08+(-4,39) = -11,47
-366+(-278) = -644
-99,9+(-7,77) = -107,67